Topo Terraventure 4 Women's 9Reg EUC, Used Lightly Details: Make rocky, technical trails your own with the new Terraventure 4. The latest update to Topo's trail running workhorse perfectly combines a fast and nimble ride with rugged protection, so nothing on the trail gets in your way. Retaining the same highly-praised moderately cushioned platform, forefoot rock plate, and Vibram® Megagrip outsole, Terraventure 4 is built to keep you feeling confident and moving freely on even the toughest of trails.